From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2540E4659A; Tue, 15 Apr 2025 14:11:44 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 123B640669; Tue, 15 Apr 2025 14:11:44 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id 57C844066A for ; Tue, 15 Apr 2025 14:11:42 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 53F9dxcn000819; Tue, 15 Apr 2025 05:11:41 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pfpt0220; bh=P 94dJGzYkW+i30m1PkNOWllL5hNZmlBmGvQHdVY0954=; b=hWEdwmtHBN/p8ywm2 qcvoZbmkbOb19IGueULzkbyDwExed6FH+42kJrpmTIhNStU/c+9rfqD4xWZcbwBZ uxPPQiXNbOOt4Dhzd86Ftx5kT8GG7BGNuRbvV9Z5NOCtgALAk0P5/1d+gl42hB8M zHm4xAE5shrwn4cZwujKgZe6Yh1J2aM5txBAEtFQ3gnKGYEQ4LoU0vTmmaCz0y82 hPu/ta4gv+ZWGpXD8rMivc5/JXhejYIcj4PY2IkY8cg+LMji4l5DC2ebp/+QK1Qh 1QqirTelmLdE1TRuF1jid38aqBYxCsu+eUrq30WuPC8RtRcrSd+lZUgjUt24OBHx 2XvMw== Received: from dc5-exch05.marvell.com ([199.233.59.128]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 45yqpjeea1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Apr 2025 05:11:41 -0700 (PDT) Received: from DC5-EXCH05.marvell.com (10.69.176.209) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 15 Apr 2025 05:11:40 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Tue, 15 Apr 2025 05:11:40 -0700 Received: from localhost.localdomain (unknown [10.28.36.185]) by maili.marvell.com (Postfix) with ESMTP id 74CA467398; Tue, 15 Apr 2025 05:11:37 -0700 (PDT) From: Ankur Dwivedi To: CC: , , , , , , Ankur Dwivedi Subject: [PATCH v1 04/12] node: add process callback for IP4 FIB Date: Tue, 15 Apr 2025 17:40:44 +0530 Message-ID: <20250415121052.1497155-5-adwivedi@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250415121052.1497155-1-adwivedi@marvell.com> References: <20250415121052.1497155-1-adwivedi@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: VxB_IXAYLiPkdp94V_bHDNJNwkdLS0sl X-Authority-Analysis: v=2.4 cv=ZOvXmW7b c=1 sm=1 tr=0 ts=67fe4cfd cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=XR8D0OoHHMoA:10 a=M5GUcnROAAAA:8 a=uwveK1UN9aJxG0m9DPUA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-GUID: VxB_IXAYLiPkdp94V_bHDNJNwkdLS0sl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-15_05,2025-04-10_01,2024-11-22_01 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Adds the process callback function for ip4_lookup_fib node. Signed-off-by: Ankur Dwivedi --- lib/node/ip4_lookup_fib.c | 164 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 164 insertions(+) diff --git a/lib/node/ip4_lookup_fib.c b/lib/node/ip4_lookup_fib.c index e87864e672..c535b191f8 100644 --- a/lib/node/ip4_lookup_fib.c +++ b/lib/node/ip4_lookup_fib.c @@ -40,6 +40,169 @@ static struct ip4_lookup_fib_node_main ip4_lookup_fib_nm; #define IP4_LOOKUP_NODE_PRIV1_OFF(ctx) \ (((struct ip4_lookup_fib_node_ctx *)ctx)->mbuf_priv1_off) +static uint16_t +ip4_lookup_fib_node_process(struct rte_graph *graph, struct rte_node *node, void **objs, + uint16_t nb_objs) +{ + struct rte_mbuf *mbuf0, *mbuf1, *mbuf2, *mbuf3, **pkts; + struct rte_fib *fib = IP4_LOOKUP_NODE_FIB(node->ctx); + const int dyn = IP4_LOOKUP_NODE_PRIV1_OFF(node->ctx); + struct rte_ipv4_hdr *ipv4_hdr; + uint64_t next_hop[nb_objs]; + uint16_t lookup_err = 0; + void **to_next, **from; + uint16_t last_spec = 0; + rte_edge_t next_index; + uint16_t n_left_from; + uint32_t ip[nb_objs]; + uint16_t held = 0; + uint32_t drop_nh; + uint16_t next; + int i, rc; + + /* Speculative next */ + next_index = RTE_NODE_IP4_LOOKUP_NEXT_REWRITE; + /* Drop node */ + drop_nh = ((uint32_t)RTE_NODE_IP4_LOOKUP_NEXT_PKT_DROP) << 16; + + pkts = (struct rte_mbuf **)objs; + from = objs; + n_left_from = nb_objs; + + /* Get stream for the speculated next node */ + to_next = rte_node_next_stream_get(graph, node, next_index, nb_objs); + + for (i = OBJS_PER_CLINE; i < RTE_GRAPH_BURST_SIZE; i += OBJS_PER_CLINE) + rte_prefetch0(&objs[i]); + +#if RTE_GRAPH_BURST_SIZE > 64 + for (i = 0; i < 4 && i < n_left_from; i++) { + rte_prefetch0(pkts[i]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[i], void *, + sizeof(struct rte_ether_hdr))); + } +#endif + + i = 0; + while (n_left_from >= 4) { +#if RTE_GRAPH_BURST_SIZE > 64 + if (likely(n_left_from > 7)) { + rte_prefetch0(pkts[4]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[4], void *, + sizeof(struct rte_ether_hdr))); + rte_prefetch0(pkts[5]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[5], void *, + sizeof(struct rte_ether_hdr))); + rte_prefetch0(pkts[6]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[6], void *, + sizeof(struct rte_ether_hdr))); + rte_prefetch0(pkts[7]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[7], void *, + sizeof(struct rte_ether_hdr))); + } +#endif + + mbuf0 = pkts[0]; + mbuf1 = pkts[1]; + mbuf2 = pkts[2]; + mbuf3 = pkts[3]; + pkts += 4; + n_left_from -= 4; + /* Extract DIP of mbuf0 */ + ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf0, struct rte_ipv4_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract cksum, ttl as ipv4 hdr is in cache */ + node_mbuf_priv1(mbuf0, dyn)->cksum = ipv4_hdr->hdr_checksum; + node_mbuf_priv1(mbuf0, dyn)->ttl = ipv4_hdr->time_to_live; + + ip[i++] = rte_be_to_cpu_32(ipv4_hdr->dst_addr); + + /* Extract DIP of mbuf1 */ + ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf1, struct rte_ipv4_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract cksum, ttl as ipv4 hdr is in cache */ + node_mbuf_priv1(mbuf1, dyn)->cksum = ipv4_hdr->hdr_checksum; + node_mbuf_priv1(mbuf1, dyn)->ttl = ipv4_hdr->time_to_live; + + ip[i++] = rte_be_to_cpu_32(ipv4_hdr->dst_addr); + + /* Extract DIP of mbuf2 */ + ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf2, struct rte_ipv4_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract cksum, ttl as ipv4 hdr is in cache */ + node_mbuf_priv1(mbuf2, dyn)->cksum = ipv4_hdr->hdr_checksum; + node_mbuf_priv1(mbuf2, dyn)->ttl = ipv4_hdr->time_to_live; + + ip[i++] = rte_be_to_cpu_32(ipv4_hdr->dst_addr); + + /* Extract DIP of mbuf3 */ + ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf3, struct rte_ipv4_hdr *, + sizeof(struct rte_ether_hdr)); + + /* Extract cksum, ttl as ipv4 hdr is in cache */ + node_mbuf_priv1(mbuf3, dyn)->cksum = ipv4_hdr->hdr_checksum; + node_mbuf_priv1(mbuf3, dyn)->ttl = ipv4_hdr->time_to_live; + + ip[i++] = rte_be_to_cpu_32(ipv4_hdr->dst_addr); + } + while (n_left_from > 0) { + mbuf0 = pkts[0]; + pkts += 1; + n_left_from -= 1; + + /* Extract DIP of mbuf0 */ + ipv4_hdr = rte_pktmbuf_mtod_offset(mbuf0, struct rte_ipv4_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract cksum, ttl as ipv4 hdr is in cache */ + node_mbuf_priv1(mbuf0, dyn)->cksum = ipv4_hdr->hdr_checksum; + node_mbuf_priv1(mbuf0, dyn)->ttl = ipv4_hdr->time_to_live; + + ip[i++] = rte_be_to_cpu_32(ipv4_hdr->dst_addr); + } + + rc = rte_fib_lookup_bulk(fib, ip, next_hop, nb_objs); + if (unlikely(rc != 0)) + return 0; + + for (i = 0; i < nb_objs; i++) { + if (unlikely(next_hop[i] == FIB_DEFAULT_NH)) { + next_hop[i] = drop_nh; + lookup_err += 1; + } + + mbuf0 = (struct rte_mbuf *)objs[i]; + node_mbuf_priv1(mbuf0, dyn)->nh = (uint16_t)next_hop[i]; + next = (uint16_t)(next_hop[i] >> 16); + + if (unlikely(next_index ^ next)) { + /* Copy things successfully speculated till now */ + rte_memcpy(to_next, from, last_spec * sizeof(from[0])); + from += last_spec; + to_next += last_spec; + held += last_spec; + last_spec = 0; + + rte_node_enqueue_x1(graph, node, next, from[0]); + from += 1; + } else { + last_spec += 1; + } + } + + /* !!! Home run !!! */ + if (likely(last_spec == nb_objs)) { + rte_node_next_stream_move(graph, node, next_index); + return nb_objs; + } + + NODE_INCREMENT_XSTAT_ID(node, 0, lookup_err != 0, lookup_err); + held += last_spec; + rte_memcpy(to_next, from, last_spec * sizeof(from[0])); + rte_node_next_stream_put(graph, node, next_index, held); + + return nb_objs; +} + RTE_EXPORT_EXPERIMENTAL_SYMBOL(rte_node_ip4_fib_route_add, 25.07) int rte_node_ip4_fib_route_add(uint32_t ip, uint8_t depth, uint16_t next_hop, @@ -147,6 +310,7 @@ static struct rte_node_xstats ip4_lookup_fib_xstats = { }; static struct rte_node_register ip4_lookup_fib_node = { + .process = ip4_lookup_fib_node_process, .name = "ip4_lookup_fib", .init = ip4_lookup_fib_node_init, -- 2.25.1